Compost bin



FIG. 1 is a perspective view of the compost bin showing my new design as seen from the left of FIG. 3;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1; and,

FIG. 4 is a sectional view through one wall of the bin. 

An ornamental design for a compost bin, as shown. 